Along with March 2019 Patch Tuesday updates KB4489899, KB4489868, KB4489886 for all supported windows 10 devices. Microsoft also released various (security) updates KB4489878, KB4489885, KB4489881, KB4489883 for Windows 7 SP1 and other updates for Windows 8.1 as well as the corresponding server versions.

According to the Microsoft support page, these updates contain security improvements for various windows components also addresses an issue that may prevent the Event Viewer from showing some event descriptions for network interface cards (NIC).

Internet Explorer 10 may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons. Symptoms reported by customers include, but may not be limited to:

Cache size and location show zero or empty.

Keyboard shortcuts may not work properly.

Webpages may intermittently fail to load or render correctly.

Issues with credential prompt.

Issues when downloading files.

After installing this security update, Custom URI Schemes for Application Protocol handlers may not start the corresponding application for local intranet and trusted sites on Internet Explorer. Microsoft is working on a resolution for this issue.

KB4489881 & KB4489883 Updates for Windows 8.1

Also, the KB4489881 Monthly Rollup and KB4489883 Security update for 8.1 also contains the same bug fix and security improvements.

Addresses an issue that may cause users to receive “Error 1309” while installing or uninstalling certain types of MSI and MSP files.

Addresses an issue with a virtual memory leak and the depletion of the paged pool with the CMNB tag that cause the server to become unresponsive.

After installing this security update, Custom URI Schemes for Application Protocol handlers may not start the corresponding application for local intranet and trusted sites on Internet Explorer.

MSXML6 causes applications to stop responding if an exception was thrown during node operations, such as appendChild(), insertBefore(), and moveNode().

Group Policy editor may also be affected when editing a Group Policy Object (GPO) that contains a Group Policy Preference for Internet Settings.

After installing this update, Internet Explorer 11 may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logins. Symptoms reported by customers include, but may not be limited to:

Cache size and location show zero or empty.

Keyboard shortcuts may not work properly.

Webpages may intermittently fail to load or render correctly.

Issues with credential prompts.

Issues when downloading files.

Windows 7 SP1 and Windows Server 2008 R2 SP Download links

Also Microsoft mention these updates are not available via Windows Update this can only be installed with a manual download. You can download these updates from the Microsoft Update Catalog website using the links below.